Top KYW Crystal Secrets
Top KYW Crystal Secrets
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The comparison with glasses is acceptable Because the large gain bandwidth will allow e.g. tungstate femtosecond lasers and tunable lasers to compete with glass lasers.
time. Crystals of your compound melts congruently at 1007 oC, nevertheless soften crystallization of high quality crystal is unattainable as a consequence of period changeover at ~920 oC. The top seeded Option process from
FIG. four. Autocorrelation function of the heart beat 共a兲and spectrum 共b兲of the laser with a rectangular active aspect for an output energy of 700 mW. The width of
This paper describes a femtosecond laser regenerative amplifier according to two Yb:KYW crystals with direct longitudinal pumping by potent linear arrays of semiconductor injection lasers having fiber output. To prevent spectral narrowing in the course of amplification plus the corresponding lengthening of your amplified pulse when it is compressed, a combination of two Yb:KYW crystals were being employed, Along with the spectral maxima with the amplification shifted relative to one another and with spectral profiling on the amplified radiation.
The monoclinic crystal constructions results in a pure birefringence, helping to stay clear of thermally induced polarization rotation and depolarization decline.
PDF Yb:KGW and Yb:KYW crystals have broad emission bandwidths and are made use of as lasing elements to create ultrashort (~ a hundred-200 fs) substantial electrical power pulses. Immediate pump of Yb:KGW/KYW crystals with laser diodes operating at 981 nm supports compact laser programs.
Tungstates are likely to obtain large Raman coefficients (�?Raman scattering). Therefore, they might create important Raman obtain at average optical intensities. It is feasible to utilize the laser crystal itself being a Raman converter.
... at fifty percent-peak have been produced inside of a master more info oscillator with selfsynchronization in the axial modes, explained inside our previously short article. 21 The new version with the laser, not like that described in our previously write-up, employed an Yb:KYW crystal by having an N pcut (optical axis N p in the index ellipsoid was parallel for the propagation way on the laser radiation), Along with the polarization of your produced radiation directed together the N m axis.
Superior-electrical power repetitively pulsed ytterbium lasers with supershort pulse width and immediate diode pumping for technological and biomedical applications
When ytterbium-doped laser achieve media frequently show a small quantum defect, ytterbium-doped tungstates permit for especially smaller values. For instance, a 1030-nm Yb:YAG laser would normally be pumped all over 940 nm, whereas Yb:KGW or Yb:KYW may be most effectively pumped about 981 nm.
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Question RP Photonics for almost any assistance about tungstate lasers, such as femtosecond lasers and superior-ability lasers.